Hi, Paul....I have a 13B with the Ross reduction drive. It is, unfortunately stock, unmodified. I
understand from monitoring this list that a thrust washer or thrust bearing? modification is
desireable.  If you know of anyone who might be able to help with this mod, I sure could use the
help. Thanks in advance for your reply. Paul Conner, SQ2000 builder

OK Paul. Here are some suggested modifications.

These mainly have to do with adding a sun gear thrust bearing.
One of the easiest things to do is use one or more needle
bearings belly to belly. With two each needle bearing runs at
half speed extending their life. With three... 1/3 speed.


I'll send a few more pics shortly.

Paul Lamar
 
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